Problem 1: A rock of mass m=0.89 kg is attached to a massless string of length L = 0.79 m. The rock is swung in a vertical circle faster and faster up to a speed of v= 2.1 m/s, at which time the string breaks. This occurs when the string is horizontal as shown in the figure.
Problem 1: A rock of mass m=0.89 kg is attached to a massless string of length L = 0.79 m. The rock is swung in a vertical circle faster and faster up to a speed of v= 2.1 m/s, at which time the string breaks. This occurs when the string is horizontal as shown in the figure.
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Transcribed Image Text:Problem 1: A rock of mass m=0.89 kg is attached to a massless string of length L=0.79
m. The rock is swung in a vertical circle faster and faster up to a speed of v= 2.1 m/s, at which time
the string breaks. This occurs when the string is horizontal as shown in the figure.
5 Part (a) What is the magnitude of the tension, in newtons, at which the string breaks?
sin()
cotan()
tan()
789
acos() E 4 5 6
sinh()
123
0
tanh() cotanh()
Degrees O Radians
cos()
asin()
atan() acotan()
cosh()
Submit
+-
Hint
VOACKSPACE
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Feedback: 0% deduction per feedback.
Part (b) How high, in meters, does the rock travel? Use a value of h=0 at the location of the break.
CLEAR
Break
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